A histological section of the external ear is stained with Verhoeff's stain, revealing a dense network of dark, branching fibers within the matrix. Which type of cartilage is characterized by the presence of these abundant elastic fibers?
- A Hyaline cartilage
- B Fibrocartilage
- C Elastic cartilage ✓
- D Articular cartilage
Correct answer: C. Elastic cartilage
Explanation
Elastic cartilage contains abundant elastic fibers in its matrix, providing flexibility. It is found in the pinna of the ear and the epiglottis. Hyaline cartilage has a glassy matrix with fine collagen type II fibrils, while fibrocartilage has dense collagen type I bundles. Articular cartilage is a type of hyaline cartilage.
Reference: Robbins and Cotran Pathologic Basis of Disease, 10th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
Written and medically reviewed by the StethoPrep medical team.